622643980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{635351}}^1$

素因数の和:635374

約数の個数: 36

約数和(自身を含む): 1521032688

約数和(自身を除く): 898388708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 635351, 1270702, 2541404, 3176755, 4447457, 6353510, 8894914, 12707020, 17789828, 22237285, 31132199, 44474570, 62264398, 88949140, 124528796, 155660995, 311321990, 622643980]

約数ペア:

[(1, 622643980), (2, 311321990), (4, 155660995), (5, 124528796), (7, 88949140), (10, 62264398), (14, 44474570), (20, 31132199), (28, 22237285), (35, 17789828), (49, 12707020), (70, 8894914), (98, 6353510), (140, 4447457), (196, 3176755), (245, 2541404), (490, 1270702), (980, 635351)]